2 technical terms – eLine Technology iVMS-2000 V2.0.2 User Manual
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iVMS-2000 User Manual
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7.2 Technical Terms
CIF
Common intermediate format, a format of color images, 352*288 pixels (for PAL
system)
QCIF
Quarter Common Intermediate Format, a format of color images, 176*144 pixels (for
PAL system)
DCIF
Short form of DOUBLE CIF, a format of color images, 528*384 pixels (for PAL system)
2CIF
2-times Common Intermediate Format, a format of color images,
704*288
pixels (for PAL system)
4CIF
Four-times Common Intermediate Format, a format of color images, 704 x
576 pixels (for PAL system)
OSD
On Screen Display
CBR
Constant Bit Rate
VBR
Variable Bit Rate
PTZ
Pan, Tilt & Zoom
USB
Universal Serial Bus
H.264
A new digital video encode standard promoted by the joint video team (JVT) which is
formed by the VCEG (Video Coding Experts Group) under ITU-T and MPEG (Moving Picture
Experts Group) under the International Organization for Standardization (ISO).
FAT32
FAT32 (File Allocation Table) is a kind of file allocation table with cluster counts held in a
4-byte (32-bit) field. For the FAT32 subarea format, each cluster is fixed at 4 KB, and
therefore greatly reduces the waste of disk space and improves the utilization of the disk.
NTFS
NTFS is the standard file system of Windows NT and Windows NT Advanced Server
network operating system.
NTFS is going to provide reliability via the recoverable capacity (event tracing) and the
hot-located fault-tolerant characteristics; a platform to increase functionality; demand for
POSIX support; and also elimination of FAT and HPFS file system limitations.
NTSC
NTSC (National Television Standards Committee) is a color TV broadcast standard with
30 fps frame rate, and is widely used in North-America, Japan, and South-American
countries.
PAL
PAL (Phase Alternation by Line) is is a color TV broadcast standard with 25 fps frame
rate, and is widely used in UK, East and Middle Asia, Europe and African countries which
adopts 50Hz AC power supply.
.WAV
Short for Waveform audio format, a kind of Digital Audio File Formats
Patrol
PTZ moving track
Preset
Preset PTZ position
PTZ
A mechanism device to pan, tilt or zoom the cameras,